package file;

import java.io.File;

public class MkDirDemo {
    public static void main(String[] args) {
        /*
        File dir=new File("./demo");
        if (dir.exists()){
            System.out.println("该目录已存在！");
        }else {
            dir.mkdir();
            System.out.println("目录创建完毕！");
        }


         */
        File dir=new File("a/b/c/d/e/f");
        if (dir.exists()){
            System.out.println("该目录已存在！");
        }else {
            dir.mkdirs();
            System.out.println("目录创建完毕！");
        }
    }
}
